What if Zac Efron had a pool party (with celebrity guests such as Vanessa Anne Hudgens, Justin Long, Queen Latifah, and Lance Bass) that got disrupted by his white-trash relatives? Well, wonder no more! Reno 9-1-1's Tom Lennon is hysterical as Uncle Hank, who's completely out of his element but throws himself into it with wild, crude abandon. Watch: